2D Christmas character design & Backgrounds | Adventure Escape: Xmas Killer Meet one of the puzzle games from Haiku, namely Adventure Escape: Xmas Killer. For this project our team made full 2D art production, including hand drawn christmas characters collection, hidden games xmas backgrounds and props. Stylized Xmas 2D Characters Exterior and Interior 2D Xmas Game Backgrounds 2D mini puzzle design for Hidden Objects Xmas game Whether it’s an episodic holiday-themed mobile game (like Adventure Escape: Xmas Killer) or just a detective game, our team of artists always puts their best efforts forward. If you are interested in designing your puzzle game, we suggest you take advantage of background game design services from our company.